?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J+Van+Den&rft.au=Berg%2C+J+Van+Den&rft.aulast=Berg&rft.atitle=Resistance+of+sorghum+varieties+to+the+shoot+fly%2C+Atherigona+soccata+Rondani+(Diptera%3A+Muscidae)+in+Southern+Africa&rft.title=International+Journal+of+Pest+Management&rft.issn=0967-0874&rft.date=2005&rft.volume=51&rft.pages=1-5&rft.issue=1&rft.genre=article